\begin{tabular}{lccccc}
\multicolumn{6}{c}{Descriptive statistics, MZ} \\ \hline
 & (1) & (2) & (3) & (4) & (5) \\
VARIABLES & N & mean & sd & min & max \\ \hline
 &  &  &  &  &  \\
Birth year of twin pair & 2,716 & 1,950 & 4.637 & 1,943 & 1,958 \\
Sex of twin & 2,716 & 0.558 & 0.497 & 0 & 1 \\
Education years & 2,715 & 12.02 & 2.623 & 7 & 19 \\
Orig. EI & 2,636 & 7.923 & 3.542 & -1 & 19 \\
Orig. SI & 2,677 & -3.319 & 2.909 & -13 & 6 \\
New EI & 2,495 & 2.800 & 0.701 & 1.026 & 4.796 \\
New SI & 2,616 & 3.392 & 0.729 & 1 & 4.961 \\
earlier\_grades & 2,701 & 3.336 & 1.245 & 1 & 5 \\
ban\_pornography & 2,709 & 3.907 & 1.232 & 1 & 5 \\
limit\_abortion & 2,703 & 1.879 & 1.163 & 1 & 5 \\
harder\_punishment & 2,716 & 3.849 & 1.106 & 1 & 5 \\
language\_test\_citizenship & 2,711 & 3.697 & 1.172 & 1 & 5 \\
fewer\_refugees & 2,705 & 3.248 & 1.214 & 1 & 5 \\
more\_skilled\_immigration & 2,692 & 3.371 & 1.018 & 1 & 5 \\
more\_support\_immigrant\_culture & 2,709 & 3.823 & 0.995 & 1 & 5 \\
decrease\_defense\_spending & 2,694 & 2.706 & 1.047 & 1 & 5 \\
decrease\_public\_sector & 2,685 & 2.510 & 1.185 & 1 & 5 \\
decrease\_welfare & 2,701 & 2.682 & 1.082 & 1 & 5 \\
lower\_taxes & 2,696 & 3.397 & 1.159 & 1 & 5 \\
sell\_public\_enterprise & 2,697 & 2.418 & 1.138 & 1 & 5 \\
more\_private\_healthcare & 2,691 & 2.757 & 1.147 & 1 & 5 \\
more\_free\_trade & 2,667 & 3.594 & 0.901 & 1 & 5 \\
more\_freeschools & 2,689 & 2.565 & 1.051 & 1 & 5 \\
more\_freedom\_companies & 2,697 & 3.285 & 0.963 & 1 & 5 \\
decrease\_finmarket\_impact & 2,662 & 2.453 & 0.927 & 1 & 5 \\
keep\_property\_taxes & 2,690 & 3.422 & 1.252 & 1 & 5 \\
keep\_maxtaxa & 2,681 & 2.404 & 1.028 & 1 & 5 \\
decrease\_economic\_inequality & 2,706 & 2.051 & 0.996 & 1 & 5 \\
less\_carbondioxide & 2,694 & 4.356 & 0.747 & 1 & 5 \\
decrease\_pollution & 2,709 & 4.329 & 0.750 & 1 & 5 \\
 &  &  &  &  &  \\ \hline
\end{tabular}
